/*
 *  Axolotl - Alternate persistence for Grails
 *  Copyright (C) 2008  Juanjo García Latre
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */
package com.googlecode.axolotl.metaclass;

import groovy.lang.MissingMethodException;

import java.util.regex.Pattern;

import org.codehaus.groovy.grails.commons.GrailsApplication;

import com.googlecode.axolotl.Database;


public class GetPersistentMethod extends AbstractStaticPersistentMethod {

    private static final Pattern METHOD_PATTERN = Pattern.compile("^_get$");
    private static final String METHOD_SIGNATURE = "_get";

    
	public GetPersistentMethod(Database database, GrailsApplication application) {
		super(database, application, METHOD_PATTERN);
	}

	
	@Override
	protected Object doInvokeInternal(Class clazz, String methodName, Object[] arguments) {
		if (arguments.length == 0) {
			throw new MissingMethodException(METHOD_SIGNATURE, clazz, arguments);
		}

		Object arg = arguments[0];
		
		return getDatabase().load(clazz, arg);
	}

}
